package Ooday01;

public class ConsDemo {
    public static void main(String[] args) {
        Student ll=new Student();
        ll.name="李林";
        ll.age=20;
        ll.className="12";
        ll.stuId="1002";
        ll.sayHi();


        Student zl=new Student("张亮",18,"8","1006");
        zl.sayHi();

    }
}
